Why doesnt my 7 Edge have the tone for the Google mic

[Android Central Question]

When I ask OK GOOGLE, the tone on the mic Is gone

 

[B. Diddy]

Welcome to Android Central! In the past, this has been corrected by going to Settings>Accessibility and turning on Switch Access for anything that's in that list. I've never found an adequate explanation for why this is, but it's worked in the past.